Item % of partially implemented % of fully implemented
java.util.stream
Collectors
 86
toCollection(Supplier) : Collector
toList() : Collector
toUnmodifiableList() : Collector
toSet() : Collector
toUnmodifiableSet() : Collector
joining() : Collector
joining(CharSequence) : Collector
joining(CharSequence, CharSequence, CharSequence) : Collector
mapping(Function, Collector) : Collector
flatMapping(Function, Collector) : Collector
filtering(Predicate, Collector) : Collector
collectingAndThen(Collector, Function) : Collector
counting() : Collector
minBy(Comparator) : Collector
maxBy(Comparator) : Collector
summingInt(ToIntFunction) : Collector
summingLong(ToLongFunction) : Collector
summingDouble(ToDoubleFunction) : Collector
averagingInt(ToIntFunction) : Collector
averagingLong(ToLongFunction) : Collector
averagingDouble(ToDoubleFunction) : Collector
reducing(Object, BinaryOperator) : Collector
reducing(BinaryOperator) : Collector
reducing(Object, Function, BinaryOperator) : Collector
groupingBy(Function) : Collector
groupingBy(Function, Collector) : Collector
groupingBy(Function, Supplier, Collector) : Collector
groupingByConcurrent(Function) : Collector
groupingByConcurrent(Function, Collector) : Collector
groupingByConcurrent(Function, Supplier, Collector) : Collector
partitioningBy(Predicate) : Collector
partitioningBy(Predicate, Collector) : Collector
toMap(Function, Function) : Collector
toUnmodifiableMap(Function, Function) : Collector
toMap(Function, Function, BinaryOperator) : Collector
toUnmodifiableMap(Function, Function, BinaryOperator) : Collector
toMap(Function, Function, BinaryOperator, Supplier) : Collector
toConcurrentMap(Function, Function) : Collector
toConcurrentMap(Function, Function, BinaryOperator) : Collector
toConcurrentMap(Function, Function, BinaryOperator, Supplier) : Collector
summarizingInt(ToIntFunction) : Collector
summarizingLong(ToLongFunction) : Collector
summarizingDouble(ToDoubleFunction) : Collector
teeing(Collector, Collector, BiFunction) : Collector